... ,intercom function -12 music door bell optional Wireless Video Outdoor Bell 1.World Public Frequency 2.4G data Voice, ... standards CE, CCC, FCC, R&NTTE7.Ultrashort built-in antenna design, fashionable and attractive shape8.Super-infrared night vision video ... optional function: Automatic image storage, photo taken function,10.Outdoor camera with rainproof cover and backup battery. Function Index:ModelHM ...